The diuck we refer to is "quacking." A term that means the addict is saying a bunch of nonsense, making excuses, blaming others for the addiction for which he or she will not take responsibility.
How can you keep from dating another addict? As soon as you recognize the signs or have that gut instinct telling you that you have an addict on your hands - RUN. There are no guarantees you won't find yourself involved with another addict, but you have the power to make your own choices.
Choose to keep your radar finely tuned to those little red flags that so many of us chose to ignore.